change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/powerpc/kernel/time.c
..
..
@@ -312,11 +312,12 @@
312
312
 	return stime_scaled;
313
313
 }
314
314
 
315
-static unsigned long vtime_delta(struct cpu_accounting_data *acct,
315
+static unsigned long vtime_delta(struct task_struct *tsk,
316
316
 				 unsigned long *stime_scaled,
317
317
 				 unsigned long *steal_time)
318
318
 {
319
319
 	unsigned long now, stime;
320
+	struct cpu_accounting_data *acct = get_accounting(tsk);
320
321
 
321
322
 	WARN_ON_ONCE(!irqs_disabled());
322
323
 
..
..
@@ -331,30 +332,29 @@
331
332
 	return stime;
332
333
 }
333
334
 
334
-static void vtime_delta_kernel(struct cpu_accounting_data *acct,
335
-			       unsigned long *stime, unsigned long *stime_scaled)
336
-{
337
-	unsigned long steal_time;
338
-
339
-	*stime = vtime_delta(acct, stime_scaled, &steal_time);
340
-	*stime -= min(*stime, steal_time);
341
-	acct->steal_time += steal_time;
342
-}
343
-
344
335
 void vtime_account_kernel(struct task_struct *tsk)
345
336
 {
337
+	unsigned long stime, stime_scaled, steal_time;
346
338
 	struct cpu_accounting_data *acct = get_accounting(tsk);
347
-	unsigned long stime, stime_scaled;
348
339
 
349
-	vtime_delta_kernel(acct, &stime, &stime_scaled);
340
+	stime = vtime_delta(tsk, &stime_scaled, &steal_time);
350
341
 
351
-	if (tsk->flags & PF_VCPU) {
342
+	stime -= min(stime, steal_time);
343
+	acct->steal_time += steal_time;
344
+
345
+	if ((tsk->flags & PF_VCPU) && !irq_count()) {
352
346
 		acct->gtime += stime;
353
347
 #ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
354
348
 		acct->utime_scaled += stime_scaled;
355
349
 #endif
356
350
 	} else {
357
-		acct->stime += stime;
351
+		if (hardirq_count())
352
+			acct->hardirq_time += stime;
353
+		else if (in_serving_softirq())
354
+			acct->softirq_time += stime;
355
+		else
356
+			acct->stime += stime;
357
+
358
358
 #ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
359
359
 		acct->stime_scaled += stime_scaled;
360
360
 #endif
..
..
@@ -367,32 +367,8 @@
367
367
 	unsigned long stime, stime_scaled, steal_time;
368
368
 	struct cpu_accounting_data *acct = get_accounting(tsk);
369
369
 
370
-	stime = vtime_delta(acct, &stime_scaled, &steal_time);
370
+	stime = vtime_delta(tsk, &stime_scaled, &steal_time);
371
371
 	acct->idle_time += stime + steal_time;
372
-}
373
-
374
-static void vtime_account_irq_field(struct cpu_accounting_data *acct,
375
-				    unsigned long *field)
376
-{
377
-	unsigned long stime, stime_scaled;
378
-
379
-	vtime_delta_kernel(acct, &stime, &stime_scaled);
380
-	*field += stime;
381
-#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
382
-	acct->stime_scaled += stime_scaled;
383
-#endif
384
-}
385
-
386
-void vtime_account_softirq(struct task_struct *tsk)
387
-{
388
-	struct cpu_accounting_data *acct = get_accounting(tsk);
389
-	vtime_account_irq_field(acct, &acct->softirq_time);
390
-}
391
-
392
-void vtime_account_hardirq(struct task_struct *tsk)
393
-{
394
-	struct cpu_accounting_data *acct = get_accounting(tsk);
395
-	vtime_account_irq_field(acct, &acct->hardirq_time);
396
372
 }
397
373
 
398
374
 static void vtime_flush_scaled(struct task_struct *tsk,
..
..
@@ -460,7 +436,7 @@
460
436
 #define calc_cputime_factors()
461
437
 #endif
462
438
 
463
-void __delay(unsigned long loops)
439
+void __no_kcsan __delay(unsigned long loops)
464
440
 {
465
441
 	unsigned long start;
466
442
 
..
..
@@ -481,7 +457,7 @@
481
457
 }
482
458
 EXPORT_SYMBOL(__delay);
483
459
 
484
-void udelay(unsigned long usecs)
460
+void __no_kcsan udelay(unsigned long usecs)
485
461
 {
486
462
 	__delay(tb_ticks_per_usec * usecs);
487
463
 }